Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
120029goodexcellent91excellent
110034goodexcellent81excellent
100034goodexcellent81excellent
090037lightly pollutedexcellent81excellent
080042lightly pollutedexcellent81excellent
070041lightly pollutedexcellent81excellent
060041lightly pollutedexcellent81excellent
050046lightly pollutedexcellent91excellent
040050lightly pollutedexcellent101excellent
030052lightly pollutedexcellent101excellent
020052lightly pollutedexcellent101excellent
010052lightly pollutedexcellent111excellent
000059lightly pollutedexcellent111excellent
230055lightly pollutedexcellent121excellent
220060lightly pollutedexcellent121excellent
210063moderately pollutedexcellent121excellent
200066moderately pollutedgood131excellent
190062moderately pollutedexcellent121excellent
180055lightly pollutedexcellent101excellent
170048lightly pollutedexcellent101excellent
160047lightly pollutedexcellent111excellent
150044lightly pollutedexcellent101excellent
140042lightly pollutedexcellent101excellent
130042lightly pollutedexcellent111excellent